/**
 * Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.horizon.modules.system.vo;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.horizon.modules.system.entity.Region;
import io.swagger.annotations.ApiModel;
import lombok.Data;
import lombok.EqualsAndHashCode;
import org.springblade.core.tool.node.INode;
import org.springblade.core.tool.utils.Func;

import java.util.ArrayList;
import java.util.List;

/**
 * 行政区划表视图实体类
 *
 * @author Chill
 */
@Data
@EqualsAndHashCode(callSuper = true)
@ApiModel(value = "RegionVO对象", description = "行政区划表")
public class RegionVO extends Region implements INode {
    private static final long serialVersionUID = 1L;

    /**
     * 主键ID
     */
    @JsonSerialize(using = ToStringSerializer.class)
    private Long id;

    /**
     * 父节点ID
     */
    @JsonSerialize(using = ToStringSerializer.class)
    private Long parentId;

    /**
     * 父节点名称
     */
    private String parentName;

    /**
     * 是否有子孙节点
     */
    @JsonInclude(JsonInclude.Include.NON_EMPTY)
    private Boolean hasChildren;

    /**
     * 子孙节点
     */
    @JsonInclude(JsonInclude.Include.NON_EMPTY)
    private List<INode> children;

    @Override
    public Long getId() {
        return Func.toLong(this.getCode());
    }

    @Override
    public Long getParentId() {
        return Func.toLong(this.getParentCode());
    }

    @Override
    public List<INode> getChildren() {
        if (this.children == null) {
            this.children = new ArrayList<>();
        }
        return this.children;
    }
}
